PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Coal plants also produce chemicals such as volatile organic compounds (VOCs), sulfur dioxide (SO2), and nitrogen oxides (NOx) that react and condense in the atmosphere to form secondary aerosols.
http://www.w3.org/ns/prov#wasQuotedFrom
  • utoronto.ca